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Annotation of xinu/sys/ready.c, revision 1.1

1.1     ! root        1: /* ready.c - ready */
        !             2: 
        !             3: #include <conf.h>
        !             4: #include <kernel.h>
        !             5: #include <proc.h>
        !             6: #include <q.h>
        !             7: 
        !             8: /*------------------------------------------------------------------------
        !             9:  * ready  --  make a process eligible for CPU service
        !            10:  *------------------------------------------------------------------------
        !            11:  */
        !            12: int    ready (pid, resch)
        !            13:        int     pid;                    /* id of process to make ready  */
        !            14:        int     resch;                  /* reschedule afterward?        */
        !            15: {
        !            16:        register struct pentry  *pptr;
        !            17: 
        !            18:        if (isbadpid(pid))
        !            19:                return(SYSERR);
        !            20:        pptr = &proctab[pid];
        !            21:        pptr->pstate = PRREADY;
        !            22:        insert(pid,rdyhead,pptr->pprio);
        !            23:        if (resch)
        !            24:                resched();
        !            25:        return(OK);
        !            26: }

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